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   The Effect of Intensive Exercise on Beta-Endorphin and Serum Cortisol Levels in Elite Wrestlers  
   
نویسنده Enayatjazi Mansour ,Sadeghi Dinani Saeed ,Emami Hashemi Ali
منبع Physical Treatments - 2015 - دوره : 5 - شماره : 3 - صفحه:171 -176
چکیده    Purpose: this study aimed to investigate the effect of one intensive training session on the changes of beta-endorphin and serum cortisol levels of elite wrestlers. methods: in this quasi-experimental research with one group and pretest-posttest design, 16 elite wrestlers within the age range of 18 to 25 years were purposefully and selected and they voluntarily participated in the research. the subjects performed one session of intensive exercise with the intensity of 85% to 90% of maximum heart rate. the blood samples (5 ml) were collected two times. first it was taken 30 minutes before the exercise and second blood sample was taken immediately after exercise by one expert and two physicians. the data were analyzed by paired-samples t-test using spss 17 and α value was set at 0.05. results: there was a significant difference between beta-endorphin levels of elite wrestlers before and immediately after the exercise session (p=0.024). the serum cortisol level also increased significantly during the test (p=0.048). conclusion: according to the findings of the study, beta-endorphin increase can make happy the athletes. furthermore, the rise of cortisol level can increase the efficiency of immune system, boost the energy, maintain the body balance, and decrease the pain sensation.
کلیدواژه Beta-Endorphin ,Serum Cortisol ,Exercise ,Athletes
آدرس University Of Isfahan, Faculty Of Physical Education, Department Of Sport Physiology, ایران, University Of Isfahan, Faculty Of Physical Education, Department Of Sport Physiology, ایران, Kharazmi University (University Of Tarbiat Moallem), Faculty Of Physical Education And Sport Sciences, Department Of Health And Sport Medicine, ایران
پست الکترونیکی aemami@ut.ac.ir
 
     
   
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